A) virtue of its position B) moving body C) All of the above D) static body
A) kilogram B) Newton metre C) Newton D) Joules
A) 30j B) 20j C) 40j D) 10j
A) mechanical potential energy B) chemical potential energy C) Nuclear potential energy D) electrical potential energy
A) all of the above B) rest C) none of the above D) motion
A) seconds B) Newton C) joules D) meter
A) Jupiter B) Mercury C) Uranus D) earth
A) Mercury B) Mars C) Pluto D) Saturn
A) Jupiter B) Saturn C) Neptune D) earth
A) Mars B) Saturn C) Mercury D) Jupiter
A) all of the above B) planets and moon C) energy and power D) stars and galaxies
A) 366 B) 364 C) 365 D) 363
A) 38m B) 450j C) 350N D) 380j
A) 365 days B) 365.24days C) 366 days D) 367 days
A) rainfall B) farming C) bush burning D) soil erosion
A) work B) chore C) job D) walk
A) evaporation, condensation and precipitation B) transportation, transpiration and evaporation C) conducting, convection and radiation D) All of the above
A) visible and invisible B) ultraviolet and infrared C) none of the above D) white and black
A) electromagnetic radiation B) electronic management radiation C) electrical magnet radio D) electromagnetic radio
A) slurry B) rill C) gully D) sheet
A) Man B) Woman C) Livings things D) Human
A) cover B) mulching C) covering sheet D) cover crops
A) fencing B) all of the above C) terracing D) blocking
A) deforestation B) planting of cover crops C) mulching D) avoid overgrazing
A) 78% B) 76% C) 77% D) 79%
A) evaporation B) radiation C) condensation D) precipitation
A) water B) fuel C) air D) food
A) oxygen cycle B) nitrogen cycle C) carbon cycle D) water cycle
A) economical B) agricultural C) humanitarian D) ecological
A) conversation B) harvesting C) collection D) collation
A) water B) liquid C) air D) fuel
A) tertiary and primary hardness B) permanent and temporary hardness C) primary and secondary hardness D) stable and unstable hardness
A) none of the above B) impure substance C) pure substance D) two pure substances
A) all of the above B) homogeneity C) chemical test D) melting and boiling points
A) neat substance B) purity C) pure substance D) clean substance
A) potential of hydrogen B) potential of hydrogen oxide C) potential of hydrogen peroxide D) potential of helium
A) filtration B) coagulation C) ammoniation D) fluoridation
A) sulphur and ammonium B) aluminum and manganese C) calcium and magnesium D) magnesium and aluminum
A) boiling B) ion exchange resin C) washing soda D) caustic soda
A) true B) maybe C) false D) none of the above
A) using of slaked lime B) addition of washing soda C) using of fluoride D) boiling
A) adding of aluminum B) adding of ammonium C) adding of chlorine D) adding of magnesium
A) increase pH B) improve taste C) remove hardness D) clarify the water
A) chlorination B) lime treatment C) ammoniation D) transpiration
A) joules B) kilometer C) Newton D) kilogram
A) lead to collapse of buildin B) destroy soil structure C) loss soil fertility D) maintains soil texture
A) land pollution B) water pollution C) sand pollution D) air pollution
A) precipitation B) evaporation C) condensation D) convection
A) 3000j B) 300j C) 30j D) 3kj
A) pharmaceutical chemicals B) agrochemicals C) nuclear chemicals D) laboratory chemicals |